How is the most powerful leadership skill also the most neglected — contributing to disengagement costing organizations an estimated 8.8 trillion dollars a year? In this compelling episode of the Aspire to Inspire Podcast, globally renowned speaker and TED Talk legend Julian Treasure joins host Lottie Bazley to unpack the invisible influence of sound on our work, behavior, and communication. From the neuroscience of noise to the business cost of disengagement, Julian explains why failing to really listen could be your organization’s most expensive mistake. Julian shares insights from his new book Sound Affects and explains how sound shapes our biology, cognition, emotions, and behavior — often without us noticing. Whether you're designing a workplace, leading a team, or just trying to be heard, this episode delivers powerful strategies to elevate your voice and deepen your impact. With tips on improving vocal presence, embracing silence, and becoming a more conscious communicator, this conversation is your wake-up call to start listening with intention.